The common noun here is "frog" as the only other noun, Many, is not a common noun - it's a proper noun.
"frog" here is the object of the sentence: it's the object of the verb "caught" of which the subject is Mary
They rebel, they want to take over the farm for themselves. So they throw out their human leader.
Answer:
they think they are stronger than the gods
B
by giving examples of different fairy tales that are the most commonly known